package com.bangcommunity.bbframe.sdm.validation;

import com.bangcommunity.bbframe.common.enums.BaseNumEnum;

import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.CONSTRUCTOR;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Created by tanghc on 17/1/25.
 */
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = { IsIntEnumValidator.class })
public @interface IsIntEnum {
    String message() default "{javax.validation.constraints.IsIntEnum.message}";

    Class<?>[] groups() default {};

    Class<? extends Payload>[] payload() default {};

    /**
     * @return value of enum element int value
     */
    int value() default 0;

    /**
     * @return int enum class
     */
    Class<? extends Enum<? extends BaseNumEnum>> clazz();

    /**
     * Defines several {@link IsIntEnum} annotations on the same element.
     *
     */
    @Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
    @Retention(RUNTIME)
    @Documented
    @interface List {

        IsIntEnum[] value();
    }
}
